Definitions:

1. regardless of the cost involved adverb
   • At any expense, he will secure a place for himself at the university. The government is determined to put its development programme into action, at any expense. At any expense, the project had to be completed by the end of the month. They would make the community centre at any expense. The conquest of Spain by the Moors was at any expense of the lives of Christians. Yet he was prepared to go at any expense to put himself in a position to meet his future wife. After all, at any expense, it was worthwhile making the most of their time together. At any expense, the president must be elected, as it is the law of the land.

Synonyms:

• at all costs